Sweatshirts

Acid Wash Open Back Sweatshirt Women UK

£28.47£39.86 Save 28%
Color: Black
Size: XL
Pay with
American Express Apple Pay Diners ClubDiscoverGoogle Pay MaestroMastercard PayPalShop Pay Union PayUSDC Visa
Free UK delivery on orders over £75
30-day returns easy & free
Secure checkout SSL encrypted
Fast dispatch 1 day dispatch

Acid Wash Open Back Sweatshirt — Edgy Casual for Street-Style Everyday Dressing

Why You'll Love It

  • Acid wash effect — a bold, characterful bleach-effect wash that adds immediate casual street-style energy
  • Open back detail — an alluring open back for a distinctively fashion-forward sweatshirt silhouette
  • 80% polyester, 20% cotton — soft, comfortable and easy-care
  • UK sizes S–XL

Fabric & Care

  • 80% polyester, 20% cotton — comfortable, easy-care
  • Machine wash cold, gentle, inside out to preserve acid wash effect. Do not bleach or tumble dry on high heat.

How to Style

Style with straight-leg jeans + trainers for street-style casual. Vogue UK and Who What Wear UK. More in our sweatshirts & hoodies.

Frequently Asked Questions

What is acid wash?

Acid wash is a bleach-effect dyeing technique that creates a mottled, cloudy, characterful finish — adding instant casual street-style energy to the fabric.

Will the acid wash fade further in washing?

Wash inside out on cold gentle to preserve the effect as designed.

Is this true to size?

Yes — relaxed fit, true to size.

What occasions?

Casual everyday, street-style, festival and any edgy casual occasion.

Size Guide

Size UK Bust (inch)
S 8–10 33–34
M 12–14 35–36
L 16–18 37–38
XL 20–22 39–41
Size UK Bust (cm)
S 8–10 84–86
M 12–14 89–91
L 16–18 94–97
XL 20–22 99–104
80%Polyester20%Cotton
  • Material: 80%Polyester+20%Cotton
  • Machine wash cold, gentle, inside out to preserve acid wash effect. Do not bleach or tumble dry on high heat.
  • Model wears UK size 8 · Height 170 cm
  • Standard UK (2–5 days) — free over £75, otherwise £3.99
  • Express UK (1–2 days) — £5.99
  • International — calculated at checkout
  • 30-day easy returns · unworn with tags attached

All measurements in CM. When between sizes, size up.

UKEUUSBustWaistHips
634280–8361–6487–90
8 / S36484–8765–6891–94
10 / M38688–9169–7295–98
12 / L40892–9573–7699–102
14 / XL421096–9977–80103–106
164412100–10381–84107–110

All measurements in CM. Measure over underwear. When between sizes, size up.

Back view of acid wash open back sweatshirt showing V-shape cutout detail Fashionfitz UK
The details

Acid Wash • Open Back • Relaxed Fit • Cotton Blend

Fabric80% Polyester 20% Cotton
Acid wash open back sweatshirt — edgy acid wash + open back detail. 80/20 poly-cotton. Street-style casual statement.

How to style it

Style with straight-leg jeans + trainers for street-style casual. The acid wash and open back are the statement.

Wear it for
CasualEverydayStreet StyleGoing Out
UK delivery 5–7 days · Free over £75
Styled for you

Acid Wash • Open Back • Relaxed Fit • Cotton Blend

80% Polyester, 20% Cotton. Acid wash. Open back. Relaxed fit.

CasualEverydayStreet Style
Style with straight-leg jeans + trainers for street-style casual. The acid wash and open back are the statement.
Shop this look
The Fashionfitz difference

Fashion that fits your life, not the other way around

Every piece we curate is chosen for how it feels on real women — the cut, the fabric, the confidence it gives you the moment you put it on. Trend-led without being trend-driven.

Quality first Every fabric and finish checked before it reaches you
New weekly Fresh styles added every week, always ahead of the trend
Free UK delivery On all orders over £75 with easy 30-day returns
Loved by thousands Join our growing community of Fashionfitz women across the UK
Side view of acid washed open back sweatshirt showing relaxed fit Fashionfitz UK